Mitsubishi Melsec PLC Tag

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Introduction

The Mitsubishi Melsec PLC Tag PLC Device Tag Icon provides a logical link to a Mitsubishi Melsec PLC.

Configuration Properties

The Mitsubishi Melsec PLC Tag supports the configuration properties of the PLC Device Tag with RTC, plus these properties:

Property Type Version Description
Channel Reference 1.1 The communication channel to the PLC. Either a Mitsubishi Melsec Serial Channel or a Mitsubishi Melsec UDP Channel.
PLCType USINT 1.1 The type of PLC. 0 = FX, 1 = A-Series, 2 = QnA Series, 3 = Q-Series.
StationNumber USINT 1.1 The address of the PLC.
PCNumber USINT 1.1 Identifies the controller connected to a CC-Link, Melsecnet/H, or Melsecnet/10 network. For direct connections use the value 255 (FFh).

Tag Commands

The Mitsubishi Melsec PLC Tag supports the tag commands of the >PLC Device Tag with RTC Tag plus these commands:

Tag Command Version Description
DirectWriteWord 2.3 Directly writes one or more words to an address in the PLC.
DirectWriteBit 2.3 Directly writes a single bit to an address in the PLC.
Refresh 3.15 Requests an immediate refresh of all of the IO Data tags associated with the PLC.

Relationships to Other Tag Types

The Mitsubishi Melsec PLC Tag builds on the features of these tag types:

Further Information

PLC Device Tag

For properties common to all PLC Devices with clock synchronization.

Mitsubishi Melsec Serial Communication Channel

For more information on Mitsubishi Melsec serial communications channels.

Mitsubishi Melsec UDP/IP Communication Channel

For more information on Mitsubishi Melsec UDP/IP communications channels.

Mitsubishi Melsec register blocks

For more information on the Mitsubishi Melsec register block that can be associated with Mitsubishi Melsec PLC Tags.

Alarm Handling

To learn about alarm management.

Glossary

For the meaning of terms used in Fernhill SCADA.